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run code in 150+ php & hhvm versions
Bugs & Features
<?php function coolPluck($array, $lookup) { $output = array(); foreach($array as $k => $v) { if($k === $lookup) { $output[$k] = $v; } if(is_array($v)) { $results = coolPluck($v, $lookup); if(isset($results[$lookup]) && isset($output[$lookup])) { //$output = array_merge((array) $results[$lookup], (array) $output[$lookup]); $output = (array) $results[$lookup] + (array) $output[$lookup]; var_dump($output); } else { //$output = array_merge($results, $output); $output = $results + $output; var_dump($output); } } } //return $output; } $testArray = array('test' => array('percy' => array('percy' => 'hatcherson'), 'percy' => array('mitchell', 'anderson'))); var_dump(coolPluck($testArray, 'percy'));
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Unsupported operand types in /in/8OUa3:22 Stack trace: #0 /in/8OUa3(12): coolPluck(Array, 'percy') #1 /in/8OUa3(35): coolPluck(Array, 'percy') #2 {main} thrown in /in/8OUa3 on line 22
Process exited with code 255.
Output for 4.3.2 - 5.6.28
Fatal error: Unsupported operand types in /in/8OUa3 on line 22
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Unsupported operand types in /in/8OUa3 on line 22